EPI22
Previously certified
EPA lists EPI22 under Wolf Steel Ltd. as a previously certified non-catalytic wood stove.
The listed emission rate is 2.6 grams per hour.
EPA does not list an HHV efficiency for this model line.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Previously certified |
| Type | Wood Stove |
| Subtype | Non-Catalytic Stove |
| Emission | 2.6 grams per hour |
| HHV efficiency | Not listed |
| Heat output | 11,100–31,400 BTU/hr |
| Firebox | Not listed |
| CO | Not listed |
| Certified fuel | Crib Wood |
| Test method | Not listed |
| 2020 NSPS | No |
Retail names in the model line
These are the names split from EPA's model cell. They are aliases for this line, not separate listings.
- EPI22
Other model lines from this manufacturer
- 1100 series (Napoleon 1100, 1100L, 1100C, 1150, 1101), S1 Previously certified
- 1400 series (Napoleon 1400, 1400L, 1450,1401),S4, 1402 Previously certified
- 2100 series (Timberwolf) Previously certified
- 2200 series (Timberwolf 2200, 2201) Previously certified
- EPI3 Previously certified
- Napoleon EPI3C, Napoleon EPI3T, Napoleon EPI3TN, Timberwolf TI3C-1, Timberwolf TI3T-1, Timberwolf TI3TN-1 Previously certified
- Napoleon S25, Napoleon S25i, Timberwolf T25, Timberwolf T25i Previously certified
- Napoleon S30, Timberwolf T30 Previously certified
- NPS45 Previously certified
- NZ3000H Previously certified
- NZ3000H, TZ3000H Previously certified
- Timberwolf 2100, Ambience AMB9000 (Outlander 15) Previously certified
- Timberwolf 2200, Timberwolf EPI22, Napoleon S20, Napoleon S20i, Timberwolf T20, Timberwolf T20i, Ambience 9010 (Outlander 19), Ambience 9100 (Outlander i19) Previously certified
- TPSI35 Previously certified
Nearest model lines by EPA figures
Nearest means the smallest absolute difference on that EPA figure, among other Wood Stove model lines that list it. Ties are ordered by model name.
Emission
- 24IC — 2.6 grams per hour
- 41BCV, BBay, CD, CS, CV, CBAY, PCV, PCBAY — 2.6 grams per hour
- 50-TNC Timber Ridge 13-NCI/50-TNC131 (Insert) — 2.6 grams per hour
- Ashley AFS24, King K3, cat., freestanding/insert — 2.6 grams per hour
- Avalon Olympic, Liberty, Freedom Bay, Freedom Bay insert, Olympic insert — 2.6 grams per hour
HHV efficiency
EPA does not list an HHV efficiency to compare, or no other line lists one.
Heat output
- Gordon Elite S18XE — 11,300–31,200 BTU/hr
- Silent Flame 2062 — 9,900–32,600 BTU/hr
- TN20 (Freestanding) and TN20 (Insert) — 13,500–29,000 BTU/hr
- NEO 1.6 LE2 Model Line (Vista LE2, Vista Classic LE2, NEO 1.6 LE2, Alderlea T4 LE2, Vista Insert LE2, NEO 1.6 Insert LE2) — 12,315–30,149 BTU/hr
- US1800E, VG1820, AW1820E, CH18, NM690, SW1.8, AHWS1820 — 9,487–33,050 BTU/hr